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US 4,045,375 AGranted
Highly electron-conductive composition
AssigneeKoshi Arita
InventorMasao Komatu
Life of this patent
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Abstract
Multiple oxides of the general formula (L.sub.1 -x Mx) (Q.sub.1 -y Ry)O.sub.3, in which L is an element of atomic number 57 - 71, M is an element of Ca, Sr or Ba, Q and R are mutually different elements of atomic number 21 - 30 or Zr, 0 .ltoreq. x < 1 and 0 < y < 1, have excellent electron-conductivity and thermal stability.
Claims6
A highly electron-conductive composition comprising a multiple oxide having the general formula:
- (L.sub.1-x M.sub.x ) (Q.sub.1-y R.sub.y) O.sub.3
- in which L is an element selected from the group consisting of La, Pr, Nd, Yb, Gd and Lu;
- M is an element selected from the group consisting of Ca, Sr and Ba;
- QR is a pair of elements selected from the group consisting of CrNi, ZrMn, FeTi, FeCo, and NiCu;
- and 0.ltoreq. x <0.5 and 0.2<y <0.8.
2 more elements
Dependencies are inferred from the claim text.